diff --git a/structure-learn/calcite_learn/pom.xml b/structure-learn/calcite_learn/pom.xml
index 770b3f2..dbc0603 100644
--- a/structure-learn/calcite_learn/pom.xml
+++ b/structure-learn/calcite_learn/pom.xml
@@ -34,7 +34,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.37</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>